Home / 292,579.86-438,745.17-114,962.28

Finding the Fourth Proportional to 292,579.86, 438,745.17 and 114,962.28

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Solution

The fourth proportional to 292,579.86, 438,745.17 and 114,962.28 is: 172,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,579.86 : 438,745.17 = 114,962.28 : x
  2. Step 2: Convert to fraction form
    292,579.86/438,745.17 = 114,962.28/x
  3. Step 3: Cross multiply
    292,579.86x = 438,745.17 × 114,962.28
  4. Step 4: Simplify right side
    292,579.86x = 50,439,143,868.00
  5. Step 5: Solve for x
    x = 50,439,143,868.00/292,579.86
  6. Step 6: Final answer
    x = 172,394.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.